color: New API to check if stat() is necessary

2 files changed, 11 insertions, 6 deletions

diff --git a/src/color.c b/src/color.c
index 1f10c04..8c32a68 100644
--- a/src/color.c
+++ b/src/color.c
@@ -764,6 +764,11 @@ static bool is_link_broken(const struct BFTW *ftwbuf) {
 	}
 }
 
+bool colors_need_stat(const struct colors *colors) {
+	return colors->setuid || colors->setgid || colors->executable || colors->multi_hard
+		|| colors->sticky_other_writable || colors->other_writable || colors->sticky;
+}
+
 /** Get the color for a file. */
 static const struct esc_seq *file_color(const struct colors *colors, const char *filename, const struct BFTW *ftwbuf, enum bfs_stat_flags flags) {
 	enum bfs_type type = bftw_type(ftwbuf, flags);
diff --git a/src/color.h b/src/color.h
index 760aa9d..85633a4 100644
--- a/src/color.h
+++ b/src/color.h
@@ -19,17 +19,17 @@
 struct colors;
 
 /**
- * Parse a color table.
- *
- * @return The parsed color table.
+ * Parse the color table from the environment.
  */
 struct colors *parse_colors(void);
 
 /**
+ * Check if stat() info is required to color a file correctly.
+ */
+bool colors_need_stat(const struct colors *colors);
+
+/**
  * Free a color table.
- *
- * @param colors
- *         The color table to free.
  */
 void free_colors(struct colors *colors);